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An Study of Efficacy and Safety of Clevudine

Primary Purpose

Chronic Hepatitis B

Status
Completed
Phase
Phase 3
Locations
China
Study Type
Interventional
Intervention
Clevudine
Adefovir
Sponsored by
Eisai Co., Ltd.
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Chronic Hepatitis B focused on measuring Clevudine, efficacy, safety, chronic hepatitis B

Eligibility Criteria

18 Years - 65 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers
  1. Patients are between 18 and 65, inclusive.
  2. All the male and female reproductive-aged subjects should use reliable and appropriate contraceptive method from the entrance of screening to at least 3 months within the end of study.
  3. Hepatitis B virus Early Antigen (HBeAg) positive patient with HBV DNA >1 x 105 copies/ml, HBeAg negative patient with HBV DNA >1 x 104 copies/ml within 30 days of baseline.
  4. Absolute neutrophil count > 1500 /mm3.
  5. Alpha fetoprotein within normal laboratory limit at screening.
  6. Normal electrocardiogram (ECG) or clinically non-significant changes at screening.
  7. Able to participate and willing to give written informed consent before starting therapy.
  8. Able and willing to comply with study assessments and restrictions.
  9. Normal renal function to take Adefovir without any dose modifications; Creatinine clearance must be >50 ml/min (based on the Cockcroft-Gault equation.

Exclusion criteria

  1. Subjects coinfected with human immunodeficiency virus (HIV), hepatitis A virus (HAV), hepatitis C virus (HCV), hepatitis D virus (HDV) or hepatitis E virus
  2. Patients previously or currently treated with approved and investigational nucleosides (e.g.: lamivudine, adefovir. entecavir, lobucavir, famciclovir, tenofovir, telbivudine) for any duration.
  3. Other chronic hepatic disease. e.g. chronic alcoholism. Wilson's disease.
  4. Poorly controlled type I or type 2 diabetes mellitus
  5. Donation or loss more than 400 ml blood within 60 days of baseline.
  6. Known serious allergies to nucleoside/nucleotide analogs.
  7. Subjects who are pregnant, nursing, or unwilling to use appropriate form of contraception.

Sites / Locations

  • Xiangya hospital

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Active Comparator

Arm Label

1

2

Arm Description

Outcomes

Primary Outcome Measures

Value of log10 hepatitis B virus (HBV) DNA decreases form baseline.
Histological response

Secondary Outcome Measures

Percent of patients with hepatitis B virus (HBV) DNA below limit of detection (LOD) at week 48 with polymerase chain reaction (PCR) assay.
Percent of patients with normalization of alanine aminotransferase (ALT) at week 48

Full Information

First Posted
August 30, 2010
Last Updated
May 13, 2013
Sponsor
Eisai Co., Ltd.
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1. Study Identification

Unique Protocol Identification Number
NCT01192854
Brief Title
An Study of Efficacy and Safety of Clevudine
Official Title
A Multi-center, Randomized, Double-blind, Positive-control, Phase III Trial of the Efficacy and Safety of Clevudine
Study Type
Interventional

2. Study Status

Record Verification Date
July 2011
Overall Recruitment Status
Completed
Study Start Date
February 2010 (undefined)
Primary Completion Date
May 2011 (Actual)
Study Completion Date
May 2011 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Eisai Co., Ltd.

4. Oversight

5. Study Description

Brief Summary
Randomized, double blind parallel group, positive control, multi-center trial. Patients will be randomized at 1:1 ratio in group A or group B

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Chronic Hepatitis B
Keywords
Clevudine, efficacy, safety, chronic hepatitis B

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 3
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
288 (Actual)

8. Arms, Groups, and Interventions

Arm Title
1
Arm Type
Experimental
Arm Title
2
Arm Type
Active Comparator
Intervention Type
Drug
Intervention Name(s)
Clevudine
Intervention Description
Clevudine flexible dosages of 30 mg/day
Intervention Type
Drug
Intervention Name(s)
Adefovir
Intervention Description
Adefovir flexible dosages of 10 mg/day
Primary Outcome Measure Information:
Title
Value of log10 hepatitis B virus (HBV) DNA decreases form baseline.
Time Frame
48 weeks
Title
Histological response
Time Frame
48 weeks
Secondary Outcome Measure Information:
Title
Percent of patients with hepatitis B virus (HBV) DNA below limit of detection (LOD) at week 48 with polymerase chain reaction (PCR) assay.
Time Frame
48 weeks
Title
Percent of patients with normalization of alanine aminotransferase (ALT) at week 48
Time Frame
48 weeks

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
65 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Patients are between 18 and 65, inclusive. All the male and female reproductive-aged subjects should use reliable and appropriate contraceptive method from the entrance of screening to at least 3 months within the end of study. Hepatitis B virus Early Antigen (HBeAg) positive patient with HBV DNA >1 x 105 copies/ml, HBeAg negative patient with HBV DNA >1 x 104 copies/ml within 30 days of baseline. Absolute neutrophil count > 1500 /mm3. Alpha fetoprotein within normal laboratory limit at screening. Normal electrocardiogram (ECG) or clinically non-significant changes at screening. Able to participate and willing to give written informed consent before starting therapy. Able and willing to comply with study assessments and restrictions. Normal renal function to take Adefovir without any dose modifications; Creatinine clearance must be >50 ml/min (based on the Cockcroft-Gault equation. Exclusion criteria Subjects coinfected with human immunodeficiency virus (HIV), hepatitis A virus (HAV), hepatitis C virus (HCV), hepatitis D virus (HDV) or hepatitis E virus Patients previously or currently treated with approved and investigational nucleosides (e.g.: lamivudine, adefovir. entecavir, lobucavir, famciclovir, tenofovir, telbivudine) for any duration. Other chronic hepatic disease. e.g. chronic alcoholism. Wilson's disease. Poorly controlled type I or type 2 diabetes mellitus Donation or loss more than 400 ml blood within 60 days of baseline. Known serious allergies to nucleoside/nucleotide analogs. Subjects who are pregnant, nursing, or unwilling to use appropriate form of contraception.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Guoping Yang
Organizational Affiliation
Xiangya Hospital
Official's Role
Principal Investigator
Facility Information:
Facility Name
Xiangya hospital
City
Changsha
State/Province
Hunan
Country
China

12. IPD Sharing Statement

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An Study of Efficacy and Safety of Clevudine

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